Vegard Hanssen offers lots of Online Arukone Puzzles on a great puzzle website. You can find here all levels of difficulty and two sizes of Arukone puzzles (5×5 and 9×9). There are currently more than 8500 Arukone puzzles available to solve.
Rules for Arukone puzzles are simple: Make a line between the similar numbers. The lines shall together use all the empty cells. There is only one solution possible. To solve Arukone puzzles online just click ‘solve puzzle’ below the puzzle and than click on a square until the correct line appears you need. Happy Puzzling!